DE2558990A1 - Am-empfaenger mit automatischer verstaerkungsregelung - Google Patents

Am-empfaenger mit automatischer verstaerkungsregelung

Info

Publication number
DE2558990A1
DE2558990A1 DE19752558990 DE2558990A DE2558990A1 DE 2558990 A1 DE2558990 A1 DE 2558990A1 DE 19752558990 DE19752558990 DE 19752558990 DE 2558990 A DE2558990 A DE 2558990A DE 2558990 A1 DE2558990 A1 DE 2558990A1
Authority
DE
Germany
Prior art keywords
transistor
amplifier
gain
level
differential amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE19752558990
Other languages
German (de)
English (en)
Inventor
Mitsuo Oosawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2558990A1 publication Critical patent/DE2558990A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
DE19752558990 1974-12-28 1975-12-29 Am-empfaenger mit automatischer verstaerkungsregelung Ceased DE2558990A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP753367A JPS5722245B2 (enrdf_load_stackoverflow) 1974-12-28 1974-12-28

Publications (1)

Publication Number Publication Date
DE2558990A1 true DE2558990A1 (de) 1976-07-08

Family

ID=11555361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752558990 Ceased DE2558990A1 (de) 1974-12-28 1975-12-29 Am-empfaenger mit automatischer verstaerkungsregelung

Country Status (7)

Country Link
US (1) US4121161A (enrdf_load_stackoverflow)
JP (1) JPS5722245B2 (enrdf_load_stackoverflow)
CA (1) CA1081791A (enrdf_load_stackoverflow)
DE (1) DE2558990A1 (enrdf_load_stackoverflow)
FR (1) FR2296316A1 (enrdf_load_stackoverflow)
GB (1) GB1528017A (enrdf_load_stackoverflow)
NL (1) NL7515148A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533896A (en) * 1976-07-01 1978-01-13 Kubota Ltd Change delivering device
US4370520A (en) * 1981-05-26 1983-01-25 Rca Corporation AM Stereo receiver
US4403348A (en) * 1981-09-21 1983-09-06 Bell Telephone Laboratories, Incorporated Single sideband receiver with intersyllabic gain correction limit control
JPS61147611A (ja) * 1984-12-21 1986-07-05 Toshiba Corp 受信回路
IT1214239B (it) * 1987-04-13 1990-01-10 Sgs Microelettronica Spa Controllo dinamico di uno stadio mescolatore
JPH03145346A (ja) * 1989-10-31 1991-06-20 Nec Corp 自動車電話システム
JP3565281B2 (ja) * 1993-10-08 2004-09-15 ソニー株式会社 受信機
GB2319918B (en) * 1996-12-02 2001-04-04 Nokia Mobile Phones Ltd Amplifier system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737796A (en) * 1970-12-08 1973-06-05 Bosch Fernsehanlagen Linearly controlled amplifier
DE2262089A1 (de) * 1972-12-19 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur elektronischen frequenzgangbeeinflussung, insbesondere elektronischer klangeinsteller
DE2262580A1 (de) * 1972-12-21 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur elektronischen verstaerkungseinstellung, insbesondere elektronischer lautstaerkeeinsteller

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176238A (en) * 1962-12-21 1965-03-30 Collins Radio Co Voltage equalizing circuit for constant gain during switching of agc circuit
US3394315A (en) * 1964-11-23 1968-07-23 Gen Dynamics Corp Automatic gain control system having wide dynamic range
FR1469873A (fr) * 1965-02-24 1967-02-17 Rca Corp Système de contrôle automatique de gain pour récepteur radio
US3550040A (en) * 1968-05-31 1970-12-22 Monsanto Co Double-balanced modulator circuit readily adaptable to integrated circuit fabrication
US3566276A (en) * 1969-05-15 1971-02-23 Itt Slow rate agc circuit
US3665317A (en) * 1970-04-07 1972-05-23 Rca Corp Sequential agc system for signal receiver
JPS533718Y2 (enrdf_load_stackoverflow) * 1972-11-14 1978-01-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737796A (en) * 1970-12-08 1973-06-05 Bosch Fernsehanlagen Linearly controlled amplifier
DE2262089A1 (de) * 1972-12-19 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur elektronischen frequenzgangbeeinflussung, insbesondere elektronischer klangeinsteller
DE2262580A1 (de) * 1972-12-21 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur elektronischen verstaerkungseinstellung, insbesondere elektronischer lautstaerkeeinsteller

Also Published As

Publication number Publication date
JPS5722245B2 (enrdf_load_stackoverflow) 1982-05-12
US4121161A (en) 1978-10-17
NL7515148A (nl) 1976-06-30
CA1081791A (en) 1980-07-15
FR2296316B1 (enrdf_load_stackoverflow) 1981-09-18
JPS5178616A (enrdf_load_stackoverflow) 1976-07-08
FR2296316A1 (fr) 1976-07-23
GB1528017A (en) 1978-10-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection